Integrated controller, vehicle control framework and vehicle
By integrating the precharge relay and precharge resistor onto the same integrated board and using copper foil instead of copper busbars for coupling, the problem of high line loss in the precharge circuit is solved, achieving vehicle integration and improved control efficiency, while reducing wiring harness costs.
Patent Information
- Application Number
- CN202422657495.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-31
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-10-31
AI Technical Summary
In existing technologies, the individual pre-charge relays and pre-charge resistors in the vehicle's pre-charge circuit are relatively large and costly.
By integrating the precharge relay, precharge resistor, first interface, and second interface onto the same integrated board, and replacing the copper busbar with copper foil for component coupling, the precharge resistor, the first interface, and the second voltage are coupled between the components. The first interface and the second interface of the precharge resistor are coupled between the components. The first terminal of the precharge relay and the first terminal of the precharge resistor are coupled by the first copper foil, and the second terminal of the precharge resistor and the second interface are coupled by the second copper foil.
The integration of the pre-charge relay and pre-charge resistor reduces the number of discrete modules, saves the low-voltage control signal line of the pre-charge relay, improves the integration and control efficiency of the whole vehicle, and reduces wiring harness costs.
Smart Images

Figure CN223584414U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of vehicles, in particular to an integrated controller, a vehicle control architecture and a vehicle. BACKGROUND
[0002] In the related art, the pre-charging circuit is provided with a separate pre-charging relay and a pre-charging resistor. In order to meet the demand of high power, the volume of the separate pre-charging relay and the pre-charging resistor is large, and the cost is high. In addition, the connection of the pre-charging relay, the pre-charging resistor and the main positive relay in the pre-charging circuit relies on high-voltage wiring harness and low-voltage wiring harness, which not only increases the line loss, but also increases the corresponding cost due to too many wiring harnesses. CONTENT OF THE UTILITY MODEL
[0003] In view of the above problems, the present application provides an integrated controller, a vehicle control architecture and a vehicle, aiming to solve the problem of high line loss in the pre-charging circuit in the related art.
[0004] The first aspect of the embodiment of the present application provides an integrated controller, which comprises: an integrated board card, a pre-charging relay, a pre-charging resistor, a first interface and a second interface.
[0005] The pre-charging relay, the pre-charging resistor, the first interface and the second interface are arranged on the integrated board card.
[0006] The first interface is coupled to the second interface through the pre-charging relay and the pre-charging resistor, and the pre-charging relay and the first end of the pre-charging resistor are coupled by a first copper sheet, and the second end of the pre-charging resistor and the second interface are coupled by a second copper sheet.
[0007] In the technical solution of the embodiment of the present application, the pre-charging relay, the pre-charging resistor, the first interface and the second interface are integrated on the same integrated board card, and the copper sheet is used to replace the copper bar to couple the components, the pre-charging relay and the pre-charging resistor are coupled by the copper sheet, the pre-charging relay and the pre-charging resistor are connected in series, and the first interface and the second interface are connected to the two ends of the circuit of the pre-charging relay and the pre-charging resistor in series, the voltage at the two ends can be sampled by the first interface and the second interface as sampling points, or the two ends of the main positive relay can be connected through the first interface and the second interface, the relatively independent layout reduces the number of discrete modules, saves the pre-charging relay low-voltage control signal line, improves the integration and control efficiency of the whole vehicle, reduces the wiring harness cost, and achieves the purpose of optimizing the wiring harness and cost of the whole vehicle.
[0008] In some embodiments, the integrated controller further comprises: a first wiring terminal arranged on the integrated board card.
[0009] The first wiring terminal is coupled with the second interface, and supplies external power according to the voltage of the second interface.
[0010] In the technical scheme of the embodiment, the first wiring terminal is arranged on the integrated board, and supplies external power according to the voltage of the second interface, or introduces external power to the second interface, so that the high-voltage wire harness of multiple functions can be replaced by copper, thereby saving the high-voltage sampling wire harness, and improving the integration and control efficiency of the vehicle.
[0011] In some embodiments, the integrated controller further comprises a heating fuse arranged on the integrated board.
[0012] The first interface of the first wiring terminal is connected to the second interface through the heating fuse.
[0013] In the technical scheme of the embodiment, the second interface can supply power to the first interface of the first wiring terminal through the heating fuse, so as to supply power to the temperature-controlled load connected to the first port of the first wiring terminal, and melt the heating fuse in the case of overload of the temperature-controlled load, thereby reducing the probability of damage to the subsequent components.
[0014] In some embodiments, the integrated controller further comprises a load fuse arranged on the integrated board.
[0015] The second interface of the first wiring terminal is connected to the second interface through the load fuse.
[0016] In the technical scheme of the embodiment, some high-voltage loads, such as vehicle-mounted air conditioners, need to be connected in the vehicle load, and a high current is required when they are running, which may generate a large amount of heat, so the volume of the required components is also large. In the embodiment, the second interface can supply power to the second interface of the first wiring terminal through the heating fuse, so as to supply power to the high-voltage load connected to the second interface of the first wiring terminal, and melt the heating fuse in the case of overload of the high-voltage load, thereby reducing the probability of damage to the subsequent components.
[0017] In some embodiments, the integrated controller further comprises a second wiring terminal and a vehicle-mounted charging fuse, and the second wiring terminal and the vehicle-mounted charging fuse are arranged on the integrated board.
[0018] The first interface of the second wiring terminal is connected to the second interface through the vehicle-mounted charging fuse.
[0019] In the technical scheme of the embodiment of the application, the first interface of the second terminal is connected to the second interface through the vehicle-mounted charging fuse, the first interface of the second terminal can be powered by the second interface through the vehicle-mounted charging fuse, or the first interface of the second terminal can be powered by the second interface through the vehicle-mounted charging fuse, and the vehicle-mounted charging fuse is fused in the case that the current flowing through the vehicle-mounted charging fuse is too large, thereby reducing the probability of damage to components.
[0020] In some embodiments, the integrated controller further comprises: an alternating current relay and a third terminal;
[0021] The second terminal is connected to the third terminal through the alternating current relay.
[0022] In the technical scheme of the embodiment of the application, the high-voltage integrated board card integrates the alternating current relay, the input end of the alternating current relay can be connected to the vehicle-mounted direct-current charging module through the second terminal, the alternating current relay outputs externally through the third terminal, and can be used to realize alternating current slow charging and external discharge (V2L). By integrating the alternating current relay on the integrated board card, the low-voltage control line of the alternating current relay can be connected to the low-voltage control module through the printed circuit board, thereby saving the low-voltage control line of the alternating current relay, and the wire harness of the output of the alternating current relay to the external terminal can also be saved.
[0023] In some embodiments, the second end of the second terminal is connected to the first end of the third terminal through the first alternating current relay, and the third end of the second terminal is connected to the second end of the third terminal through the second alternating current relay.
[0024] In the technical scheme of the embodiment of the application, the two-phase alternating current of the first terminal can be forwarded to the third terminal through the first alternating current relay and the second alternating current relay, or the two-phase alternating current accessed by the third terminal can be forwarded to the second terminal through the first alternating current relay and the second alternating current relay, thereby realizing the functions of alternating current slow charging and external discharge of the integrated controller.
[0025] The second aspect of the embodiment of the application further provides a vehicle control architecture, comprising: a battery, a main positive relay, a main negative relay, and an integrated controller as described in any one of the above.
[0026] The positive electrode of the battery is connected to the positive electrode of a direct-current port through the main positive relay, and the negative electrode of the battery is connected to the negative electrode of the direct-current port through the main negative relay.
[0027] In the technical scheme of the embodiment of the application, the pre-charging relay, the pre-charging resistor, the first interface and the second interface are integrated on the same integrated board card, and copper sheets are used to replace copper bars to couple components, the pre-charging relay and the pre-charging resistor are coupled by the copper sheets, the pre-charging relay and the pre-charging resistor are connected in series, and the first interface and the second interface are respectively connected to two ends of the circuit of the pre-charging relay and the pre-charging resistor connected in series, the voltage at the two ends can be sampled by the first interface and the second interface as sampling points, the first interface and the second interface are respectively connected to two ends of the main positive relay, several sampling points are combined into one, the relatively independent layout reduces the number of discrete modules, saves the pre-charging relay low-voltage control signal line, improves the integration and control efficiency of the whole vehicle, reduces the cost of the wire harness, and achieves the purpose of optimizing the wire harness and cost of the whole vehicle.
[0028] In some embodiments, the vehicle control architecture further includes:
[0029] A sampling resistor is arranged on the integrated board card.
[0030] The sampling resistor is connected between the negative electrode of the battery and the main negative relay, and is configured to convert the loop current of the battery into a corresponding current sampling signal.
[0031] In the technical scheme of the embodiment of the application, the high-voltage integrated board card integrates the sampling resistor on the integrated board card, and the current sampling of the sampling resistor is realized through the printed circuit board trace, thereby reducing the cost of the current sampling wire harness and the sampling module separately manufactured and pasted, compared with using a separate sampling module.
[0032] In some embodiments, the vehicle control architecture further includes a positive charging relay and a negative charging relay.
[0033] The positive charging relay is connected between the main positive relay and the DC port, and the negative charging relay is connected between the main negative relay and the DC port.
[0034] In the technical scheme of the embodiment of the application, the first interface and the second interface of the high-voltage integrated board card can be connected to the first end and the second end of the main positive relay through copper bars, the first end of the main positive relay is connected to the battery, and the second end of the main positive relay is connected to the positive electrode of the DC port, so that the two high-voltage sampling lines, the sampling line of the first end of the main positive relay and the sampling line of the second end of the main positive relay, are combined with the inputs of the pre-charging relay, the heating fuse, the load fuse and the vehicle charging fuse, thereby saving the high-voltage sampling wire harness.
[0035] In some embodiments, the first interface and the second interface on the integrated board card are respectively connected to two ends of the main positive relay through copper bars.
[0036] In some embodiments, the first interface and the integrated board card are coupled by copper bar, spring and printed circuit board compression; and / or
[0037] The second interface and the integrated board card are coupled by copper bar, spring and printed circuit board compression.
[0038] In the technical solution of the embodiments of the present application, the high-voltage sampling is changed from the previous wiring harness connection sampling to the sampling connection realized by the compression of the integrated board card and the copper bar of the printed circuit board. A spring is attached at the contact point position of the integrated board card and the copper bar to increase the reliability of the connection. The first interface and the second interface of the high-voltage sampling point on the high-voltage integrated board card adopt a spring type connection mode. The connection of the high-voltage sampling signal line is realized by attaching a spring on the printed circuit board and then compressing the copper bar, the spring and the printed circuit board. The purpose of adding the spring is to increase the reliability of the connection during compression. This kind of high-voltage sampling signal connection mode saves the cost of wiring harness.
[0039] In some embodiments, the integrated board card further comprises a third interface and a fourth interface, the third interface and the integrated board card are coupled by copper bar, spring and printed circuit board compression; and / or
[0040] The fourth interface and the integrated board card are coupled by copper bar, spring and printed circuit board compression.
[0041] In the technical solution of the embodiments of the present application, the third interface and the fourth interface of the high-voltage sampling point on the high-voltage integrated board card adopt a spring type connection mode. The connection of the high-voltage sampling signal line is realized by attaching a spring on the printed circuit board and then compressing the copper bar, the spring and the printed circuit board. The purpose of adding the spring is to increase the reliability of the connection during compression. This kind of high-voltage sampling signal connection mode saves the cost of wiring harness.
[0042] The third aspect of the embodiments of the present application further provides a vehicle, comprising: the integrated controller according to any one of the above embodiments, or the vehicle control architecture according to any one of the embodiments.
[0043] In the technical scheme of the embodiment of the application, the pre-charging relay, the pre-charging resistor, the first interface and the second interface are integrated on the same integrated board card, and copper sheets are used to replace copper bars to couple the components, the pre-charging relay and the pre-charging resistor are coupled by the copper sheets, the pre-charging relay and the pre-charging resistor are connected in series, and the first interface and the second interface are connected to two ends of the circuit in which the pre-charging relay and the pre-charging resistor are connected in series, the voltage at the two ends can be sampled by the first interface and the second interface as sampling points, or the first interface and the second interface can be connected to two ends of the main positive relay, the relatively independent layout reduces the number of discrete modules, saves the pre-charging relay low-voltage control signal line, improves the integration and control efficiency of the whole vehicle, reduces the cost of the wire harness, and achieves the purpose of optimizing the wire harness and cost of the whole vehicle.
[0044] The above description is only a summary of the technical scheme of the application, in order to more clearly understand the technical means of the application, the application can be implemented according to the content of the specification, and in order to make the above and other purposes, characteristics and advantages of the application more obvious and easy to understand, the following specific embodiments of the application are described. BRIEF DESCRIPTION OF DRAWINGS
[0045] Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The accompanying drawings are included to provide a description of the preferred embodiments, and are not meant to limit the application. Moreover, the same reference numerals in all the drawings represent the same or similar elements. In the drawings:
[0046] Figure 1 The first structure schematic diagram of the integrated controller provided by the embodiment of the application is shown in the figure.
[0047] Figure 2 The second structure schematic diagram of the integrated controller provided by the embodiment of the application is shown in the figure.
[0048] Figure 3 The third structure schematic diagram of the integrated controller provided by the embodiment of the application is shown in the figure.
[0049] Figure 4 The structure schematic diagram of the vehicle control architecture provided by the embodiment of the application is shown in the figure. DETAILED DESCRIPTION
[0050] The embodiments of the technical scheme of the application will be described in detail below with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical scheme of the application, and therefore only serve as examples, and cannot limit the protection scope of the application.
[0051] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of this application; the use of the terms "including," "comprising," or "having" and variations thereof herein is intended to be broad and encompass the terms "consisting of" and "consisting essentially of" and variations thereof. Unless otherwise noted, the terms "including" and "comprising" are open-ended and do not exclude the presence of unrecited elements or limitations.
[0052] In the description of the embodiments of the present application, the technical terms "first", "second", etc. are only used to distinguish different objects, and cannot be understood as indicating or implying relative importance or implicitly indicating the number, specific order or primary and secondary relationship of the indicated technical features. In the description of the embodiments of the present application, the meaning of "a plurality of" is two or more, unless otherwise explicitly and specifically limited.
[0053] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The phrase "various embodiments" does not necessarily refer to the same embodiment, although it may. It is explicitly and implicitly recognized that a single embodiment can include features of a plurality of other embodiments. Additionally, the various embodiments described throughout the specification are not necessarily mutually exclusive, but a single embodiment can include features of a plurality of other embodiments.
[0054] In the description of the embodiments of the present application, the term "and / or" is only a description of the association relationship of the associated objects, which means that there can be three relationships, for example, A and / or B, which can represent the three cases of A alone, A and B together, and B alone. In addition, the character " / " in this paper generally represents that the front and rear associated objects are a "or" relationship.
[0055] In the description of the embodiments of the present application, the term "a plurality of" refers to two or more (including two).
[0056] In the description of the embodiments of the present application, the technical terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. The orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the embodiments of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the embodiments of the present application.
[0057] The pre-charging circuit is provided with a separate pre-charging relay and a pre-charging resistor, and in order to meet the demand of high power, the volume of the separate pre-charging relay and the pre-charging resistor is large, and the cost is high. In addition, the connection of the pre-charging relay, the pre-charging resistor and the main positive relay in the pre-charging circuit relies on high-voltage wiring harness and low-voltage wiring harness, which not only increases the line loss, but also increases the corresponding cost due to too many wiring harnesses.
[0058] To solve the above technical problems, an integrated controller is provided in the embodiments of the present application, as shown in Figure 1 The integrated controller includes: an integrated board card 100, a pre-charging relay 210, a pre-charging resistor 220, a first interface 111 and a second interface 112; the pre-charging relay 210, the pre-charging resistor 220, the first interface 111 and the second interface 112 are arranged on the integrated board card 100; the first interface 111 is coupled to the second interface 112 through the pre-charging relay 210 and the pre-charging resistor 220, and the first copper skin is coupled between the pre-charging relay 210 and the first end of the pre-charging resistor 220.
[0059] In the embodiments of the present application, the pre-charging relay 210, the pre-charging resistor 220, the first interface 111 and the second interface 112 are integrated on the same integrated board card 100, and the copper skin is used to replace the copper bar to couple the components, the pre-charging relay 210 and the pre-charging resistor 220 are coupled by the copper skin, the pre-charging relay 210 and the pre-charging resistor 220 are connected in series, and the first interface 111 and the second interface 112 are connected to both ends of the circuit of the series connection of the pre-charging relay 210 and the pre-charging resistor 220, the voltage at both ends can be sampled by the first interface 111 and the second interface 112 as sampling points, or the first interface 111 and the second interface 112 can be connected to both ends of the main positive relay K11, the relatively independent layout reduces the number of discrete modules, saves the pre-charging relay 210 low-voltage control signal line, improves the integration and control efficiency of the whole vehicle, reduces the wiring harness cost, and achieves the purpose of optimizing the wiring harness and cost of the whole vehicle.
[0060] In some embodiments, the pre-charging resistor 220 and the second interface 112 are coupled by the copper skin, for example, the second end of the pre-charging resistor 220 and the second interface 112 are coupled by the second copper skin.
[0061] In some embodiments, as shown in Figure 2 The integrated controller further includes: a first wiring terminal 130, the first wiring terminal 130 is arranged on the integrated board card 100; the first wiring terminal 130 is coupled to the second interface 112, and supplies power to the outside according to the voltage of the second interface 112.
[0062] In the embodiment of the present application, the first terminal 130 is arranged on the integrated board card 100, the first terminal 130 supplies power according to the voltage of the second interface 112, or introduces external power to the second interface 112, the high-voltage wire harness of multiple functions can be replaced by copper, which not only saves the high-voltage sampling wire harness, but also improves the integration and control efficiency of the vehicle.
[0063] In some embodiments, referring to Figure 2 The integrated controller further includes a heating fuse F1, the heating fuse F1 is arranged on the integrated board card 100, and the first interface 111 of the first terminal 130 is connected to the second interface 112 through the heating fuse F1.
[0064] In the embodiment of the present application, the second interface 112 can supply power to the first interface 111 of the first terminal 130 through the heating fuse F1, realize power supply to the temperature-controlled load connected to the first port of the first terminal 130, and fuse the heating fuse F1 in the case of overload of the temperature-controlled load, thereby reducing the probability of damage to the rear-stage components.
[0065] In some embodiments, referring to Figure 2 The integrated controller further includes a load fuse F2, the load fuse F2 is arranged on the integrated board card 100, and the second interface 112 of the first terminal 130 is connected to the second interface 112 through the load fuse F2.
[0066] In the embodiment of the present application, since some high-voltage loads need to be connected in the vehicle load, for example, the vehicle-mounted air conditioner, etc., which needs a high current when running, and may generate a large amount of heat, therefore, the volume of the required components is also large. In the embodiment, the second interface 112 can supply power to the second interface 112 of the first terminal 130 through the heating fuse F1, realize power supply to the high-voltage load connected to the second interface 112 of the first terminal 130, and fuse the heating fuse F1 in the case of overload of the high-voltage load, thereby reducing the probability of damage to the rear-stage components.
[0067] In some embodiments, referring to Figure 3 The integrated controller further includes a second terminal 140 and a vehicle-mounted charging fuse F3, the second terminal 140 and the vehicle-mounted charging fuse F3 are arranged on the integrated board card 100, and the first interface 111 of the second terminal 140 is connected to the second interface 112 through the vehicle-mounted charging fuse F3.
[0068] In the embodiment of the present application, the first interface 111 of the second wiring terminal 140 is connected to the second interface 112 through the vehicle charging fuse F3, the first interface 111 of the second wiring terminal 140 can supply power to the second interface 112 through the vehicle charging fuse F3, or the second interface 112 can supply power to the first interface 111 of the second wiring terminal 140 through the vehicle charging fuse F3, and in the case that the current flowing through the vehicle charging fuse F3 is too large, the vehicle charging fuse F3 is fused to reduce the probability of damage to components.
[0069] In some embodiments, referring to Figure 3 As shown, the integrated controller further includes: an alternating current relay and a third wiring terminal 150, the second wiring terminal 140 is connected to the third wiring terminal 150 through the alternating current relay.
[0070] In the embodiment of the present application, the integrated board card 100 integrates the alternating current relay, the input end of the alternating current relay can be connected to the vehicle direct current charging module through the second wiring terminal 140, and the alternating current relay outputs externally through the third wiring terminal 150, which can be used to realize alternating current slow charging and external discharge (V2L). By integrating the alternating current relay on the integrated board card 100, the low-voltage control line of the alternating current relay can be connected to the low-voltage control module through the printed circuit board wiring, saving the low-voltage control line of the alternating current relay, and also saving the wire harness of the output of the alternating current relay to the external wiring terminal.
[0071] In some embodiments, the second end ACL of the second wiring terminal 140 is connected to the first end of the third wiring terminal 150 through the first alternating current relay 310, and the third end ACN of the second wiring terminal 140 is connected to the second end of the third wiring terminal 150 through the second alternating current relay 320.
[0072] In the embodiment of the present application, the first alternating current relay 310 and the second alternating current relay 320 can forward the two-phase alternating current of the first wiring terminal 130 to the third wiring terminal 150, or the two-phase alternating current accessed by the third wiring terminal 150 can be forwarded to the second wiring terminal 140 through the first alternating current relay 310 and the second alternating current relay 320, realizing the functions of alternating current slow charging and external discharge of the integrated controller.
[0073] In some embodiments, the first alternating current relay 310 and the second alternating current relay 320 are controlled by a high-side driver.
[0074] The embodiment of the present application also provides a vehicle control architecture, referring to Figure 4As shown, the vehicle control architecture includes: a battery 400, a main positive relay K11, a main negative relay K12, and the integrated controller of any one of the preceding embodiments; a positive electrode of the battery 400 is connected to a positive electrode of a DC port 410 through the main positive relay K11, and a negative electrode of the battery 400 is connected to a negative electrode of the DC port 410 through the main negative relay K12.
[0075] In the embodiments of the present application, the pre-charge relay 210, the pre-charge resistor 220, the first interface 111, and the second interface 112 are integrated on the same integrated board card 100, and copper sheets are used to replace copper bars to couple the components, the pre-charge relay 210 and the pre-charge resistor 220 are coupled by the copper sheets, the pre-charge relay 210 and the pre-charge resistor 220 are connected in series, and the first interface 111 and the second interface 112 are connected to both ends of the circuit in which the pre-charge relay 210 and the pre-charge resistor 220 are connected in series, the voltage at both ends of the circuit can be sampled by the first interface 111 and the second interface 112 as sampling points, the first interface 111 and the second interface 112 are connected to both ends of the main positive relay K11, several sampling points are combined into one, the relatively independent layout reduces the number of discrete modules, saves the pre-charge relay 210 low-voltage control signal line, improves the integration and control efficiency of the whole vehicle, reduces the cost of wiring harness, and achieves the purpose of optimizing the wiring harness and cost of the whole vehicle.
[0076] In some embodiments, referring to Figure 4 As shown, the vehicle control architecture further includes a sampling resistor 420, which is arranged on the integrated board card 100; the sampling resistor 420 is connected between the negative electrode of the battery 400 and the main negative relay K12, and is used to convert the loop current of the battery 400 into a corresponding current sampling signal.
[0077] In the embodiments of the present application, the sampling resistor 420 is integrated on the integrated board card 100, and the current sampling of the sampling resistor 420 is realized through the printed circuit board wiring, which reduces the cost of current sampling wiring harness and sampling module separate board mounting compared with using a separate sampling module.
[0078] In some embodiments, referring to Figure 4 As shown, the vehicle control architecture further includes: a charge positive relay K21 and a charge negative relay K22; the charge positive relay K21 is connected between the main positive relay K11 and the DC port 410, and the charge negative relay K22 is connected between the main negative relay K12 and the DC port 410.
[0079] In the embodiments of the present application, the first interface 111 and the second interface 112 of the integrated board card 100 can be connected to the first end and the second end of the main positive relay K11 through the copper bar mode, the first end of the main positive relay K11 is connected to the battery 400, and the second end of the main positive relay K11 is connected to the positive electrode of the direct current port 410. In this way, the two high-voltage sampling lines of the sampling line of the first end of the main positive relay K11 and the sampling line of the second end of the main positive relay K11 can be combined with the inputs of the pre-charging relay 210, the heating fuse F1, the load fuse F2, and the vehicle charging fuse F3, thereby saving the high-voltage sampling line bundle.
[0080] In some embodiments, the first interface 111 and the second interface 112 on the integrated board card 100 are respectively connected to the two ends of the main positive relay K11 through the copper bar mode.
[0081] In some embodiments, an overcurrent fuse F4 is further arranged between the first end of the main positive relay K11 and the positive electrode of the battery 400, and the overcurrent fuse F4 is fused when the current flowing therethrough exceeds a preset threshold, thereby protecting the circuit components.
[0082] In some embodiments, the integrated board card 100 further comprises a spring contact 113, which can be coupled between the overcurrent fuse F4 and the positive electrode of the battery 400. In this way, the spring contact 113 can be used as a sampling point to sample the voltage of the positive electrode of the battery 400, thereby realizing insulation detection.
[0083] In some embodiments, the fourth interface 122 can be provided with a spring contact and coupled between the charging positive relay K21 and the positive electrode of the direct current port 410. In this way, the fourth interface 122 can be used as a sampling point to sample the voltage of the positive electrode of the direct current port 410.
[0084] In some embodiments, the integrated board card 100 further comprises a spring contact 113, which can be used as a sampling point to sample the voltage of the positive electrode of the battery 400.
[0085] In some embodiments, a Hall sensor can be further arranged between the first end of the main positive relay K11 and the positive electrode of the battery 400, which is used to detect the charging current or the discharge current of the battery 400.
[0086] In some embodiments, the integrated board card 100 further comprises a board-to-board connector 430, which can be used for communication and power connection between the integrated board card 100 and a low-voltage battery management unit (BMU) board card.
[0087] In some embodiments, the results of the high-voltage sampling, current sampling, temperature monitoring, and insulation detection sampled on the integrated board card 100 can be transmitted to the master control circuit on the low-voltage board through the board-to-board connector 430.
[0088] In some embodiments, the first interface 111 and the second interface 112 can be copper bars, the integrated board card 100 can be a printed circuit board, and the printed circuit board can be formed with corresponding copper skins to couple corresponding components. In this way, the use of copper bars or wire harnesses can be avoided, the cost of wire harnesses can be reduced, and the wire harnesses and costs of the entire vehicle can be optimized.
[0089] In some embodiments, the first interface 111 and the integrated board card 100 are coupled by pressing the copper bar, the spring, and the printed circuit board.
[0090] In some embodiments, the second interface 112 and the integrated board card 100 are coupled by pressing the copper bar, the spring, and the printed circuit board.
[0091] In the embodiments of the present application, the high-voltage sampling is changed from the previous wire harness connection sampling to the sampling connection by pressing the integrated board card 100 and the copper bar of the printed circuit board. A spring is attached at the contact position of the integrated board card 100 and the copper bar to increase the reliability of the connection. The first interface 111 and the second interface 112 of the high-voltage sampling point on the integrated board card 100 adopt a spring connection mode. The high-voltage sampling signal line is connected by pressing the copper bar, the spring, and the printed circuit board. The purpose of adding the spring is to increase the reliability of the connection when pressing. This connection mode of the high-voltage sampling signal saves the cost of wire harnesses.
[0092] In some embodiments, the integrated board card 100 is further provided with a third interface 121 and a fourth interface 122. The third interface 121 and the integrated board card 100 are coupled by pressing the copper bar, the spring, and the printed circuit board.
[0093] In some embodiments, the fourth interface 122 and the integrated board card 100 are coupled by pressing the copper bar, the spring, and the printed circuit board.
[0094] In the embodiments of the present application, the third interface 121 and the fourth interface 122 of the high-voltage sampling point on the integrated board card 100 adopt a spring connection mode. The high-voltage sampling signal line is connected by pressing the copper bar, the spring, and the printed circuit board. The purpose of adding the spring is to increase the reliability of the connection when pressing. This connection mode of the high-voltage sampling signal saves the cost of wire harnesses.
[0095] In some embodiments, in combination with Figure 4As shown, the heating fuse ground terminal PTC_GND, the load fuse ground terminal HVAC_GND and the vehicle fuse ground terminal OBC_GND of the first wiring terminal 130 are connected to the third interface 121, and are coupled to the charging relay K22 by the third interface 121.
[0096] In some embodiments, in combination with Figure 4 As shown, the second end ACL of the second wiring terminal 140 is connected to the first end ACL1 of the third wiring terminal 150 through the first AC relay 310, and the third end ACN of the second wiring terminal 140 is connected to the second end ACN1 of the third wiring terminal 150 through the second AC relay 320. The second end ACL of the second wiring terminal 140 is connected to the third end ACL2 of the third wiring terminal 150 through the third AC relay 311, and the third end ACN of the second wiring terminal 140 is connected to the fourth end ACN2 of the third wiring terminal 150 through the fourth AC relay 321.
[0097] In the embodiments of the present application, the first AC relay 310, the second AC relay 320, the third AC relay 311 and the fourth AC relay 321 can forward the two-phase AC power of the first wiring terminal 130 to the third wiring terminal 150, and can also forward the two-phase AC power accessed by the third wiring terminal 150 to the second wiring terminal 140 through the first AC relay 310, the second AC relay 320, the third AC relay 311 and the fourth AC relay 321, thereby realizing the functions of AC slow charging and external discharging of the integrated controller.
[0098] In some embodiments, the first AC relay 310 and the second AC relay 320 can be high-power relays, which can support providing larger power and current externally, for example, the maximum current flowing through the first AC relay 310 and the second AC relay 320 can be 20A or 30A, while the third AC relay 311 and the fourth AC relay 321 can support providing smaller power and current externally, for example, the maximum current flowing through the third AC relay 311 and the fourth AC relay 321 can be 10A or 6A.
[0099] The embodiments of the present application also provide a vehicle comprising the integrated controller of any of the above embodiments.
[0100] The embodiments of the present application also provide a vehicle comprising the vehicle control architecture of any of the above embodiments.
[0101] In the embodiment of the application, the vehicle is provided with a battery 400. By integrating the pre-charging relay 210, the pre-charging resistor 220, the first interface 111 and the second interface 112 on the same integrated board card 100, and replacing the copper bar with copper skin to couple the components, the pre-charging relay 210 and the pre-charging resistor 220 are coupled by the copper skin, the pre-charging relay 210 and the pre-charging resistor 220 are connected in series, and the first interface 111 and the second interface 112 are connected to both ends of the circuit of the pre-charging relay 210 and the pre-charging resistor 220 in series. The voltage at both ends can be sampled by the first interface 111 and the second interface 112 as sampling points, or the first interface 111 and the second interface 112 can be connected to both ends of the main positive relay K11, respectively. The relatively independent layout reduces the number of discrete modules, saves the pre-charging relay 210 low-voltage control signal line, improves the integration and control efficiency of the whole vehicle, and reduces the cost of the wire harness, thereby achieving the purpose of optimizing the wire harness and cost of the whole vehicle.
[0102] Those skilled in the art can clearly understand that, for the convenience and brevity of description, only the division of the above functional units and modules is exemplified, and in actual application, the above functions can be completed by different functional units and modules according to needs, that is, the internal structure of the device is divided into different functional units or modules to complete all or part of the functions described above. Each functional unit or module in the embodiment can be integrated in one processing unit, or each unit can exist physically, or two or more units can be integrated in one unit. In addition, the specific names of each functional unit or module are only for easy distinction, and do not limit the protection scope of the application. The specific working process of the units and modules in the system can refer to the corresponding process in the foregoing method embodiments, which will not be repeated here.
[0103] In the above embodiments, the description of each embodiment has its own emphasis, and the parts not described or recorded in detail in a certain embodiment can be referred to the related description of other embodiments.
[0104] In the embodiments provided in the present application, it should be understood that the disclosed devices and methods can be implemented in other ways. For example, the electronic device embodiments described above are only schematic. For example, the division of the modules or units is only a logical function division, and actual implementation can have another division manner, for example, a plurality of units or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the coupling or direct coupling or communication connection between the displayed or discussed each other can be indirect coupling or communication connection through some interfaces, devices or units, which can be electrical, mechanical or other forms.
[0105] The units described as separate components may or may not be physically separate, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the embodiment scheme.
[0106] In addition, each functional unit in each embodiment of the present application can be integrated in one processing unit, or each unit can exist physically, or two or more units can be integrated in one unit. The integrated unit can be realized in the form of hardware or in the form of a software functional unit.
[0107] The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application, and should be included in the protection scope of the present application.
Claims
1. An integrated controller characterized by, The integrated controller comprises an integrated board, a pre-charge relay, a pre-charge resistor, a first interface, and a second interface. The pre-charge relay, the pre-charge resistor, the first interface, and the second interface are arranged on the integrated board. The first interface is coupled to the second interface through the pre-charge relay and the pre-charge resistor, and the pre-charge relay and the pre-charge resistor are coupled by copper.
2. The integrated controller of claim 1, wherein, The integrated controller further comprises a first terminal, and the first terminal is arranged on the integrated board. The first terminal is coupled to the second interface, and supplies external power according to the voltage of the second interface.
3. The integrated controller of claim 2, wherein, The integrated controller further comprises a heating fuse, and the heating fuse is arranged on the integrated board. The first interface of the first terminal is connected to the second interface through the heating fuse.
4. The integrated controller of claim 2, wherein, The integrated controller further comprises a load fuse, and the load fuse is arranged on the integrated board. The second interface of the first terminal is connected to the second interface through the load fuse.
5. The integrated controller of claim 2, wherein, The integrated controller further comprises a second terminal and a vehicle charging fuse, and the second terminal and the vehicle charging fuse are arranged on the integrated board. The first interface of the second terminal is connected to the second interface through the vehicle charging fuse.
6. The integrated controller of claim 5, wherein, The integrated controller further comprises an alternating current relay and a third terminal. The second terminal is connected to the third terminal through the alternating current relay.
7. The integrated controller of claim 6, wherein, The second end of the second terminal is connected to the first end of the third terminal through a first alternating current relay, and the third end of the second terminal is connected to the second end of the third terminal through a second alternating current relay.
8. A vehicle control architecture characterized by, The vehicle control architecture comprises: a battery, a main positive relay, a main negative relay, and the integrated controller according to any one of claims 1-7; a positive electrode of the battery is connected to a positive electrode of a direct current port through the main positive relay, and a negative electrode of the battery is connected to a negative electrode of the direct current port through the main negative relay.
9. The vehicle control architecture of claim 8, wherein, The vehicle control architecture further comprises: a sampling resistor arranged on the integrated board; the sampling resistor is connected between the negative electrode of the battery and the main negative relay, and is used to convert a loop current of the battery into a corresponding current sampling signal.
10. The vehicle control architecture of claim 8, wherein, The vehicle control architecture further comprises a charging positive relay and a charging negative relay; the charging positive relay is connected between the main positive relay and the direct current port, and the charging negative relay is connected between the main negative relay and the direct current port.
11. The vehicle control architecture of claim 8, wherein, The first interface and the second interface on the integrated board are respectively connected to two ends of the main positive relay through copper bars.
12. The vehicle control architecture of claim 11, wherein, The first interface and the integrated board are coupled through compression of a copper bar, an elastic sheet, and a printed circuit board; and / or The second interface and the integrated board are coupled through compression of a copper bar, an elastic sheet, and a printed circuit board.
13. The vehicle control architecture of claim 10, wherein, The integrated board further comprises a third interface and a fourth interface, and the third interface and the integrated board are coupled through compression of a copper bar, an elastic sheet, and a printed circuit board; and / or The fourth interface and the integrated board card are coupled by copper bar, elastic sheet and printed circuit board.
14. A vehicle characterized by comprising: Comprising: The integrated controller of any one of claims 1-7, or the vehicle control architecture of any one of claims 8-13.